Home / 28,961.92-43,374.76-14,124.32

Finding the Fourth Proportional to 28,961.92, 43,374.76 and 14,124.32

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Solution

The fourth proportional to 28,961.92, 43,374.76 and 14,124.32 is: 21,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961.92 : 43,374.76 = 14,124.32 : x
  2. Step 2: Convert to fraction form
    28,961.92/43,374.76 = 14,124.32/x
  3. Step 3: Cross multiply
    28,961.92x = 43,374.76 × 14,124.32
  4. Step 4: Simplify right side
    28,961.92x = 612,638,990.16
  5. Step 5: Solve for x
    x = 612,638,990.16/28,961.92
  6. Step 6: Final answer
    x = 21,153.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.